Mercurial > hg > orthanc
annotate Core/HttpServer/MongooseServer.cpp @ 824:a811bdf8b8eb
precompiled headers
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 02 Jun 2014 11:36:07 +0200 |
| parents | 8ce2f69436ca |
| children | 7e8cde5905fd |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 689 | 3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, |
| 0 | 4 * Belgium |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 136 | 10 * |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 0 | 22 * |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
| 33 // http://en.highscore.de/cpp/boost/stringhandling.html | |
| 34 | |
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35 #include "../PrecompiledHeaders.h" |
| 0 | 36 #include "MongooseServer.h" |
| 37 | |
| 38 #include <algorithm> | |
| 39 #include <string.h> | |
| 40 #include <boost/lexical_cast.hpp> | |
| 41 #include <boost/algorithm/string.hpp> | |
| 42 #include <iostream> | |
| 43 #include <string.h> | |
| 44 #include <stdio.h> | |
| 45 #include <boost/thread.hpp> | |
| 108 | 46 #include <glog/logging.h> |
| 0 | 47 |
| 59 | 48 #include "../OrthancException.h" |
| 0 | 49 #include "../ChunkedBuffer.h" |
| 324 | 50 #include "HttpOutput.h" |
| 0 | 51 #include "mongoose.h" |
| 52 | |
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53 #if ORTHANC_SSL_ENABLED == 1 |
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54 #include <openssl/opensslv.h> |
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55 #endif |
| 0 | 56 |
| 59 | 57 #define ORTHANC_REALM "Orthanc Secure Area" |
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58 |
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59 static const long LOCALHOST = (127ll << 24) + 1ll; |
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60 |
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61 |
| 59 | 62 namespace Orthanc |
| 0 | 63 { |
| 64 static const char multipart[] = "multipart/form-data; boundary="; | |
| 65 static unsigned int multipartLength = sizeof(multipart) / sizeof(char) - 1; | |
| 66 | |
| 67 | |
| 68 namespace | |
| 69 { | |
| 70 // Anonymous namespace to avoid clashes between compilation modules | |
| 71 class MongooseOutput : public HttpOutput | |
| 72 { | |
| 73 private: | |
| 74 struct mg_connection* connection_; | |
| 75 | |
| 76 public: | |
| 77 MongooseOutput(struct mg_connection* connection) : connection_(connection) | |
| 78 { | |
| 79 } | |
| 80 | |
| 81 virtual void Send(const void* buffer, size_t length) | |
| 82 { | |
| 217 | 83 if (length > 0) |
| 84 { | |
| 85 mg_write(connection_, buffer, length); | |
| 86 } | |
| 0 | 87 } |
| 88 }; | |
| 89 | |
| 90 | |
| 91 enum PostDataStatus | |
| 92 { | |
| 93 PostDataStatus_Success, | |
| 94 PostDataStatus_NoLength, | |
| 95 PostDataStatus_Pending, | |
| 96 PostDataStatus_Failure | |
| 97 }; | |
| 98 } | |
| 99 | |
| 100 | |
| 101 // TODO Move this to external file | |
| 102 | |
| 103 | |
| 104 class ChunkedFile : public ChunkedBuffer | |
| 105 { | |
| 106 private: | |
| 107 std::string filename_; | |
| 108 | |
| 109 public: | |
| 110 ChunkedFile(const std::string& filename) : | |
| 111 filename_(filename) | |
| 112 { | |
| 113 } | |
| 114 | |
| 115 const std::string& GetFilename() const | |
| 116 { | |
| 117 return filename_; | |
| 118 } | |
| 119 }; | |
| 120 | |
| 121 | |
| 122 | |
| 123 class ChunkStore | |
| 124 { | |
| 125 private: | |
| 126 typedef std::list<ChunkedFile*> Content; | |
| 127 Content content_; | |
| 128 unsigned int numPlaces_; | |
| 129 | |
| 130 boost::mutex mutex_; | |
| 131 std::set<std::string> discardedFiles_; | |
| 132 | |
| 133 void Clear() | |
| 134 { | |
| 135 for (Content::iterator it = content_.begin(); | |
| 656 | 136 it != content_.end(); ++it) |
| 0 | 137 { |
| 138 delete *it; | |
| 139 } | |
| 140 } | |
| 141 | |
| 142 Content::iterator Find(const std::string& filename) | |
| 143 { | |
| 144 for (Content::iterator it = content_.begin(); | |
| 656 | 145 it != content_.end(); ++it) |
| 0 | 146 { |
| 147 if ((*it)->GetFilename() == filename) | |
| 148 { | |
| 149 return it; | |
| 150 } | |
| 151 } | |
| 152 | |
| 153 return content_.end(); | |
| 154 } | |
| 155 | |
| 156 void Remove(const std::string& filename) | |
| 157 { | |
| 158 Content::iterator it = Find(filename); | |
| 159 if (it != content_.end()) | |
| 160 { | |
| 161 delete *it; | |
| 162 content_.erase(it); | |
| 163 } | |
| 164 } | |
| 165 | |
| 166 public: | |
| 167 ChunkStore() | |
| 168 { | |
| 169 numPlaces_ = 10; | |
| 170 } | |
| 171 | |
| 172 ~ChunkStore() | |
| 173 { | |
| 174 Clear(); | |
| 175 } | |
| 176 | |
| 177 PostDataStatus Store(std::string& completed, | |
| 178 const char* chunkData, | |
| 179 size_t chunkSize, | |
| 180 const std::string& filename, | |
| 181 size_t filesize) | |
| 182 { | |
| 183 boost::mutex::scoped_lock lock(mutex_); | |
| 184 | |
| 185 std::set<std::string>::iterator wasDiscarded = discardedFiles_.find(filename); | |
| 186 if (wasDiscarded != discardedFiles_.end()) | |
| 187 { | |
| 188 discardedFiles_.erase(wasDiscarded); | |
| 189 return PostDataStatus_Failure; | |
| 190 } | |
| 191 | |
| 192 ChunkedFile* f; | |
| 193 Content::iterator it = Find(filename); | |
| 194 if (it == content_.end()) | |
| 195 { | |
| 196 f = new ChunkedFile(filename); | |
| 197 | |
| 198 // Make some room | |
| 199 if (content_.size() >= numPlaces_) | |
| 200 { | |
| 201 discardedFiles_.insert(content_.front()->GetFilename()); | |
| 202 delete content_.front(); | |
| 203 content_.pop_front(); | |
| 204 } | |
| 205 | |
| 206 content_.push_back(f); | |
| 207 } | |
| 208 else | |
| 209 { | |
| 210 f = *it; | |
| 211 } | |
| 212 | |
| 213 f->AddChunk(chunkData, chunkSize); | |
| 214 | |
| 215 if (f->GetNumBytes() > filesize) | |
| 216 { | |
| 217 Remove(filename); | |
| 218 } | |
| 219 else if (f->GetNumBytes() == filesize) | |
| 220 { | |
| 221 f->Flatten(completed); | |
| 222 Remove(filename); | |
| 223 return PostDataStatus_Success; | |
| 224 } | |
| 225 | |
| 226 return PostDataStatus_Pending; | |
| 227 } | |
| 228 | |
| 229 /*void Print() | |
| 230 { | |
| 231 boost::mutex::scoped_lock lock(mutex_); | |
| 232 | |
| 233 printf("ChunkStore status:\n"); | |
| 234 for (Content::const_iterator i = content_.begin(); | |
| 235 i != content_.end(); i++) | |
| 236 { | |
| 237 printf(" [%s]: %d\n", (*i)->GetFilename().c_str(), (*i)->GetNumBytes()); | |
| 238 } | |
| 239 printf("-----\n"); | |
| 240 }*/ | |
| 241 }; | |
| 242 | |
| 243 | |
| 244 struct MongooseServer::PImpl | |
| 245 { | |
| 246 struct mg_context *context_; | |
| 247 ChunkStore chunkStore_; | |
| 248 }; | |
| 249 | |
| 250 | |
| 251 ChunkStore& MongooseServer::GetChunkStore() | |
| 252 { | |
| 253 return pimpl_->chunkStore_; | |
| 254 } | |
| 255 | |
| 256 | |
| 257 | |
| 258 HttpHandler* MongooseServer::FindHandler(const UriComponents& forUri) const | |
| 259 { | |
| 260 for (Handlers::const_iterator it = | |
| 656 | 261 handlers_.begin(); it != handlers_.end(); ++it) |
| 0 | 262 { |
| 263 if ((*it)->IsServedUri(forUri)) | |
| 264 { | |
| 265 return *it; | |
| 266 } | |
| 267 } | |
| 268 | |
| 269 return NULL; | |
| 270 } | |
| 271 | |
| 272 | |
| 273 | |
| 274 | |
| 416 | 275 static PostDataStatus ReadBody(std::string& postData, |
| 276 struct mg_connection *connection, | |
| 277 const HttpHandler::Arguments& headers) | |
| 0 | 278 { |
| 279 HttpHandler::Arguments::const_iterator cs = headers.find("content-length"); | |
| 280 if (cs == headers.end()) | |
| 281 { | |
| 282 return PostDataStatus_NoLength; | |
| 283 } | |
| 284 | |
| 285 int length; | |
| 286 try | |
| 287 { | |
| 288 length = boost::lexical_cast<int>(cs->second); | |
| 289 } | |
| 290 catch (boost::bad_lexical_cast) | |
| 291 { | |
| 292 return PostDataStatus_NoLength; | |
| 293 } | |
| 294 | |
| 295 if (length < 0) | |
| 296 { | |
| 297 length = 0; | |
| 298 } | |
| 299 | |
| 300 postData.resize(length); | |
| 301 | |
| 302 size_t pos = 0; | |
| 303 while (length > 0) | |
| 304 { | |
| 305 int r = mg_read(connection, &postData[pos], length); | |
| 306 if (r <= 0) | |
| 307 { | |
| 308 return PostDataStatus_Failure; | |
| 309 } | |
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310 |
| 8 | 311 assert(r <= length); |
| 0 | 312 length -= r; |
| 313 pos += r; | |
| 314 } | |
| 315 | |
| 316 return PostDataStatus_Success; | |
| 317 } | |
| 318 | |
| 319 | |
| 320 | |
| 321 static PostDataStatus ParseMultipartPost(std::string &completedFile, | |
| 322 struct mg_connection *connection, | |
| 323 const HttpHandler::Arguments& headers, | |
| 324 const std::string& contentType, | |
| 325 ChunkStore& chunkStore) | |
| 326 { | |
| 327 std::string boundary = "--" + contentType.substr(multipartLength); | |
| 328 | |
| 329 std::string postData; | |
| 416 | 330 PostDataStatus status = ReadBody(postData, connection, headers); |
| 0 | 331 |
| 332 if (status != PostDataStatus_Success) | |
| 333 { | |
| 334 return status; | |
| 335 } | |
| 336 | |
| 337 /*for (HttpHandler::Arguments::const_iterator i = headers.begin(); i != headers.end(); i++) | |
| 338 { | |
| 339 std::cout << "Header [" << i->first << "] = " << i->second << "\n"; | |
| 340 } | |
| 341 printf("CHUNK\n");*/ | |
| 342 | |
| 343 typedef HttpHandler::Arguments::const_iterator ArgumentIterator; | |
| 344 | |
| 345 ArgumentIterator requestedWith = headers.find("x-requested-with"); | |
| 346 ArgumentIterator fileName = headers.find("x-file-name"); | |
| 347 ArgumentIterator fileSizeStr = headers.find("x-file-size"); | |
| 348 | |
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349 if (requestedWith != headers.end() && |
| 0 | 350 requestedWith->second != "XMLHttpRequest") |
| 351 { | |
| 352 return PostDataStatus_Failure; | |
| 353 } | |
| 354 | |
| 355 size_t fileSize = 0; | |
| 356 if (fileSizeStr != headers.end()) | |
| 357 { | |
| 358 try | |
| 359 { | |
| 360 fileSize = boost::lexical_cast<size_t>(fileSizeStr->second); | |
| 361 } | |
| 362 catch (boost::bad_lexical_cast) | |
| 363 { | |
| 364 return PostDataStatus_Failure; | |
| 365 } | |
| 366 } | |
| 367 | |
| 368 typedef boost::find_iterator<std::string::iterator> FindIterator; | |
| 10 | 369 typedef boost::iterator_range<char*> Range; |
| 0 | 370 |
| 371 //chunkStore.Print(); | |
| 372 | |
| 373 try | |
| 374 { | |
| 375 FindIterator last; | |
| 376 for (FindIterator it = | |
| 377 make_find_iterator(postData, boost::first_finder(boundary)); | |
| 378 it!=FindIterator(); | |
| 379 ++it) | |
| 380 { | |
| 381 if (last != FindIterator()) | |
| 382 { | |
| 10 | 383 Range part(&last->back(), &it->front()); |
| 0 | 384 Range content = boost::find_first(part, "\r\n\r\n"); |
| 345 | 385 if (/*content != Range()*/!content.empty()) |
| 0 | 386 { |
| 387 Range c(&content.back() + 1, &it->front() - 2); | |
| 388 size_t chunkSize = c.size(); | |
| 389 | |
| 390 if (chunkSize > 0) | |
| 391 { | |
| 392 const char* chunkData = &c.front(); | |
| 393 | |
| 394 if (fileName == headers.end()) | |
| 395 { | |
| 396 // This file is stored in a single chunk | |
| 397 completedFile.resize(chunkSize); | |
| 398 if (chunkSize > 0) | |
| 399 { | |
| 400 memcpy(&completedFile[0], chunkData, chunkSize); | |
| 401 } | |
| 402 return PostDataStatus_Success; | |
| 403 } | |
| 404 else | |
| 405 { | |
| 406 return chunkStore.Store(completedFile, chunkData, chunkSize, fileName->second, fileSize); | |
| 407 } | |
| 408 } | |
| 10 | 409 } |
| 0 | 410 } |
| 411 | |
| 412 last = it; | |
| 413 } | |
| 414 } | |
| 415 catch (std::length_error) | |
| 416 { | |
| 417 return PostDataStatus_Failure; | |
| 418 } | |
| 419 | |
| 420 return PostDataStatus_Pending; | |
| 421 } | |
| 422 | |
| 423 | |
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424 static void SendUnauthorized(HttpOutput& output) |
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425 { |
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426 std::string s = "HTTP/1.1 401 Unauthorized\r\n" |
| 59 | 427 "WWW-Authenticate: Basic realm=\"" ORTHANC_REALM "\"" |
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428 "\r\n\r\n"; |
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429 output.Send(&s[0], s.size()); |
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430 } |
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431 |
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432 |
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433 static bool Authorize(const MongooseServer& that, |
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434 const HttpHandler::Arguments& headers, |
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435 HttpOutput& output) |
| 23 | 436 { |
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437 bool granted = false; |
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438 |
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439 HttpHandler::Arguments::const_iterator auth = headers.find("authorization"); |
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440 if (auth != headers.end()) |
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441 { |
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442 std::string s = auth->second; |
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443 if (s.substr(0, 6) == "Basic ") |
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444 { |
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445 std::string b64 = s.substr(6); |
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446 granted = that.IsValidBasicHttpAuthentication(b64); |
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447 } |
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448 } |
| 23 | 449 |
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450 if (!granted) |
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451 { |
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452 SendUnauthorized(output); |
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453 return false; |
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454 } |
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455 else |
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456 { |
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457 return true; |
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458 } |
| 23 | 459 } |
| 460 | |
| 461 | |
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462 static std::string GetAuthenticatedUsername(const HttpHandler::Arguments& headers) |
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463 { |
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464 HttpHandler::Arguments::const_iterator auth = headers.find("authorization"); |
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465 |
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466 if (auth == headers.end()) |
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467 { |
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468 return ""; |
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469 } |
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470 |
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471 std::string s = auth->second; |
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472 if (s.substr(0, 6) != "Basic ") |
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473 { |
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474 return ""; |
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475 } |
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476 |
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477 std::string b64 = s.substr(6); |
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478 std::string decoded; |
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479 Toolbox::DecodeBase64(decoded, b64); |
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480 size_t semicolons = decoded.find(':'); |
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481 |
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482 if (semicolons == std::string::npos) |
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483 { |
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484 // Bad-formatted request |
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485 return ""; |
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486 } |
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487 else |
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488 { |
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489 return decoded.substr(0, semicolons); |
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490 } |
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491 } |
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492 |
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493 |
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494 static bool ExtractMethod(HttpMethod& method, |
| 414 | 495 const struct mg_request_info *request, |
| 496 const HttpHandler::Arguments& headers, | |
| 497 const HttpHandler::Arguments& argumentsGET) | |
| 498 { | |
| 499 std::string overriden; | |
| 500 | |
| 501 // Check whether some PUT/DELETE faking is done | |
| 502 | |
| 503 // 1. Faking with Google's approach | |
| 504 HttpHandler::Arguments::const_iterator methodOverride = | |
| 505 headers.find("x-http-method-override"); | |
| 506 | |
| 507 if (methodOverride != headers.end()) | |
| 508 { | |
| 509 overriden = methodOverride->second; | |
| 510 } | |
| 511 else if (!strcmp(request->request_method, "GET")) | |
| 512 { | |
| 513 // 2. Faking with Ruby on Rail's approach | |
| 514 // GET /my/resource?_method=delete <=> DELETE /my/resource | |
| 515 methodOverride = argumentsGET.find("_method"); | |
| 516 if (methodOverride != argumentsGET.end()) | |
| 517 { | |
| 518 overriden = methodOverride->second; | |
| 519 } | |
| 520 } | |
| 521 | |
| 522 if (overriden.size() > 0) | |
| 523 { | |
| 524 // A faking has been done within this request | |
| 525 Toolbox::ToUpperCase(overriden); | |
| 526 | |
| 416 | 527 LOG(INFO) << "HTTP method faking has been detected for " << overriden; |
| 528 | |
| 414 | 529 if (overriden == "PUT") |
| 530 { | |
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531 method = HttpMethod_Put; |
| 416 | 532 return true; |
| 414 | 533 } |
| 534 else if (overriden == "DELETE") | |
| 535 { | |
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536 method = HttpMethod_Delete; |
| 416 | 537 return true; |
| 414 | 538 } |
| 539 else | |
| 540 { | |
| 541 return false; | |
| 542 } | |
| 543 } | |
| 544 | |
| 545 // No PUT/DELETE faking was present | |
| 546 if (!strcmp(request->request_method, "GET")) | |
| 547 { | |
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548 method = HttpMethod_Get; |
| 414 | 549 } |
| 550 else if (!strcmp(request->request_method, "POST")) | |
| 551 { | |
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552 method = HttpMethod_Post; |
| 414 | 553 } |
| 554 else if (!strcmp(request->request_method, "DELETE")) | |
| 555 { | |
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556 method = HttpMethod_Delete; |
| 414 | 557 } |
| 558 else if (!strcmp(request->request_method, "PUT")) | |
| 559 { | |
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560 method = HttpMethod_Put; |
| 414 | 561 } |
| 562 else | |
| 563 { | |
| 564 return false; | |
| 565 } | |
| 566 | |
| 567 return true; | |
| 568 } | |
| 569 | |
| 570 | |
| 0 | 571 |
| 572 static void* Callback(enum mg_event event, | |
| 573 struct mg_connection *connection, | |
| 574 const struct mg_request_info *request) | |
| 575 { | |
| 576 if (event == MG_NEW_REQUEST) | |
| 577 { | |
| 656 | 578 MongooseServer* that = reinterpret_cast<MongooseServer*>(request->user_data); |
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579 MongooseOutput output(connection); |
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580 |
| 414 | 581 // Check remote calls |
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582 if (!that->IsRemoteAccessAllowed() && |
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583 request->remote_ip != LOCALHOST) |
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584 { |
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585 SendUnauthorized(output); |
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586 return (void*) ""; |
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587 } |
| 0 | 588 |
| 589 | |
| 414 | 590 // Extract the HTTP headers |
| 591 HttpHandler::Arguments headers; | |
| 0 | 592 for (int i = 0; i < request->num_headers; i++) |
| 593 { | |
| 594 std::string name = request->http_headers[i].name; | |
| 595 std::transform(name.begin(), name.end(), name.begin(), ::tolower); | |
| 596 headers.insert(std::make_pair(name, request->http_headers[i].value)); | |
| 597 } | |
| 598 | |
| 414 | 599 |
| 600 // Extract the GET arguments | |
| 601 HttpHandler::Arguments argumentsGET; | |
| 602 if (!strcmp(request->request_method, "GET")) | |
| 603 { | |
| 604 HttpHandler::ParseGetQuery(argumentsGET, request->query_string); | |
| 605 } | |
| 606 | |
| 607 | |
| 608 // Compute the HTTP method, taking method faking into consideration | |
|
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609 HttpMethod method; |
| 414 | 610 if (!ExtractMethod(method, request, headers, argumentsGET)) |
| 611 { | |
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612 output.SendHeader(HttpStatus_400_BadRequest); |
| 414 | 613 return (void*) ""; |
| 614 } | |
| 615 | |
| 616 | |
| 23 | 617 // Authenticate this connection |
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618 if (that->IsAuthenticationEnabled() && |
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619 !Authorize(*that, headers, output)) |
| 23 | 620 { |
| 621 return (void*) ""; | |
| 622 } | |
| 623 | |
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624 |
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625 // Apply the filter, if it is installed |
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626 const IIncomingHttpRequestFilter *filter = that->GetIncomingHttpRequestFilter(); |
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627 if (filter != NULL) |
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628 { |
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629 std::string username = GetAuthenticatedUsername(headers); |
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630 |
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631 char remoteIp[24]; |
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632 sprintf(remoteIp, "%d.%d.%d.%d", |
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633 reinterpret_cast<const uint8_t*>(&request->remote_ip) [3], |
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634 reinterpret_cast<const uint8_t*>(&request->remote_ip) [2], |
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635 reinterpret_cast<const uint8_t*>(&request->remote_ip) [1], |
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636 reinterpret_cast<const uint8_t*>(&request->remote_ip) [0]); |
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637 |
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638 if (!filter->IsAllowed(method, request->uri, remoteIp, username.c_str())) |
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639 { |
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640 SendUnauthorized(output); |
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641 return (void*) ""; |
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642 } |
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643 } |
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644 |
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645 |
| 414 | 646 // Extract the body of the request for PUT and POST |
| 647 std::string body; | |
|
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648 if (method == HttpMethod_Post || |
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649 method == HttpMethod_Put) |
| 0 | 650 { |
| 416 | 651 PostDataStatus status; |
| 652 | |
| 0 | 653 HttpHandler::Arguments::const_iterator ct = headers.find("content-type"); |
| 654 if (ct == headers.end()) | |
| 655 { | |
| 416 | 656 // No content-type specified. Assume no multi-part content occurs at this point. |
| 657 status = ReadBody(body, connection, headers); | |
| 0 | 658 } |
| 659 else | |
| 660 { | |
| 416 | 661 std::string contentType = ct->second; |
| 662 if (contentType.size() >= multipartLength && | |
| 663 !memcmp(contentType.c_str(), multipart, multipartLength)) | |
| 664 { | |
| 665 status = ParseMultipartPost(body, connection, headers, contentType, that->GetChunkStore()); | |
| 666 } | |
| 667 else | |
| 668 { | |
| 669 status = ReadBody(body, connection, headers); | |
| 670 } | |
| 0 | 671 } |
| 672 | |
| 673 switch (status) | |
| 674 { | |
| 416 | 675 case PostDataStatus_NoLength: |
|
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676 output.SendHeader(HttpStatus_411_LengthRequired); |
| 416 | 677 return (void*) ""; |
| 0 | 678 |
| 416 | 679 case PostDataStatus_Failure: |
|
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680 output.SendHeader(HttpStatus_400_BadRequest); |
| 416 | 681 return (void*) ""; |
| 0 | 682 |
| 416 | 683 case PostDataStatus_Pending: |
| 684 output.AnswerBufferWithContentType(NULL, 0, ""); | |
| 685 return (void*) ""; | |
| 0 | 686 |
| 416 | 687 default: |
| 688 break; | |
| 0 | 689 } |
| 690 } | |
| 691 | |
| 414 | 692 |
| 693 // Call the proper handler for this URI | |
| 0 | 694 UriComponents uri; |
| 415 | 695 try |
| 696 { | |
| 697 Toolbox::SplitUriComponents(uri, request->uri); | |
| 698 } | |
| 699 catch (OrthancException) | |
| 700 { | |
|
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701 output.SendHeader(HttpStatus_400_BadRequest); |
| 415 | 702 return (void*) ""; |
| 703 } | |
| 704 | |
| 0 | 705 |
| 706 HttpHandler* handler = that->FindHandler(uri); | |
| 707 if (handler) | |
| 708 { | |
| 709 try | |
| 710 { | |
| 477 | 711 LOG(INFO) << EnumerationToString(method) << " " << Toolbox::FlattenUri(uri); |
| 414 | 712 handler->Handle(output, method, uri, headers, argumentsGET, body); |
| 0 | 713 } |
| 59 | 714 catch (OrthancException& e) |
| 0 | 715 { |
| 108 | 716 LOG(ERROR) << "MongooseServer Exception [" << e.What() << "]"; |
|
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717 output.SendHeader(HttpStatus_500_InternalServerError); |
| 0 | 718 } |
|
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719 catch (boost::bad_lexical_cast&) |
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720 { |
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721 LOG(ERROR) << "MongooseServer Exception: Bad lexical cast"; |
|
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722 output.SendHeader(HttpStatus_400_BadRequest); |
| 333 | 723 } |
| 724 catch (std::runtime_error&) | |
| 725 { | |
| 726 LOG(ERROR) << "MongooseServer Exception: Presumably a bad JSON request"; | |
|
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727 output.SendHeader(HttpStatus_400_BadRequest); |
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728 } |
| 0 | 729 } |
| 730 else | |
| 731 { | |
|
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732 output.SendHeader(HttpStatus_404_NotFound); |
| 0 | 733 } |
| 734 | |
| 735 // Mark as processed | |
| 736 return (void*) ""; | |
| 737 } | |
| 738 else | |
| 739 { | |
| 740 return NULL; | |
| 741 } | |
| 742 } | |
| 743 | |
| 744 | |
| 745 bool MongooseServer::IsRunning() const | |
| 746 { | |
| 747 return (pimpl_->context_ != NULL); | |
| 748 } | |
| 749 | |
| 750 | |
| 751 MongooseServer::MongooseServer() : pimpl_(new PImpl) | |
| 752 { | |
| 753 pimpl_->context_ = NULL; | |
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754 remoteAllowed_ = false; |
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755 authentication_ = false; |
| 23 | 756 ssl_ = false; |
| 0 | 757 port_ = 8000; |
| 417 | 758 filter_ = NULL; |
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759 |
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760 #if ORTHANC_SSL_ENABLED == 1 |
| 749 | 761 // Check for the Heartbleed exploit |
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762 // https://en.wikipedia.org/wiki/OpenSSL#Heartbleed_bug |
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763 if (OPENSSL_VERSION_NUMBER < 0x1000107fL /* openssl-1.0.1g */ && |
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764 OPENSSL_VERSION_NUMBER >= 0x1000100fL /* openssl-1.0.1 */) |
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765 { |
| 749 | 766 LOG(WARNING) << "This version of OpenSSL is vulnerable to the Heartbleed exploit"; |
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767 } |
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768 #endif |
| 0 | 769 } |
| 770 | |
| 771 | |
| 772 MongooseServer::~MongooseServer() | |
| 773 { | |
| 774 Stop(); | |
| 775 ClearHandlers(); | |
| 776 } | |
| 777 | |
| 778 | |
| 128 | 779 void MongooseServer::SetPortNumber(uint16_t port) |
| 0 | 780 { |
| 781 Stop(); | |
| 782 port_ = port; | |
| 783 } | |
| 784 | |
| 785 void MongooseServer::Start() | |
| 786 { | |
| 787 if (!IsRunning()) | |
| 788 { | |
| 789 std::string port = boost::lexical_cast<std::string>(port_); | |
| 790 | |
| 23 | 791 if (ssl_) |
| 792 { | |
| 793 port += "s"; | |
| 794 } | |
| 795 | |
| 0 | 796 const char *options[] = { |
| 797 "listening_ports", port.c_str(), | |
| 23 | 798 ssl_ ? "ssl_certificate" : NULL, |
| 799 certificate_.c_str(), | |
| 0 | 800 NULL |
| 801 }; | |
| 802 | |
| 803 pimpl_->context_ = mg_start(&Callback, this, options); | |
| 804 if (!pimpl_->context_) | |
| 805 { | |
| 59 | 806 throw OrthancException("Unable to launch the Mongoose server"); |
| 0 | 807 } |
| 808 } | |
| 809 } | |
| 810 | |
| 811 void MongooseServer::Stop() | |
| 812 { | |
| 813 if (IsRunning()) | |
| 814 { | |
| 815 mg_stop(pimpl_->context_); | |
| 816 pimpl_->context_ = NULL; | |
| 817 } | |
| 818 } | |
| 819 | |
| 820 | |
| 821 void MongooseServer::RegisterHandler(HttpHandler* handler) | |
| 822 { | |
| 823 Stop(); | |
| 824 | |
| 825 handlers_.push_back(handler); | |
| 826 } | |
| 827 | |
| 828 | |
| 829 void MongooseServer::ClearHandlers() | |
| 830 { | |
| 831 Stop(); | |
| 832 | |
| 833 for (Handlers::iterator it = | |
| 656 | 834 handlers_.begin(); it != handlers_.end(); ++it) |
| 0 | 835 { |
| 836 delete *it; | |
| 837 } | |
| 838 } | |
| 839 | |
| 23 | 840 |
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841 void MongooseServer::ClearUsers() |
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842 { |
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843 Stop(); |
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844 registeredUsers_.clear(); |
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845 } |
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846 |
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847 |
| 23 | 848 void MongooseServer::RegisterUser(const char* username, |
| 849 const char* password) | |
| 850 { | |
| 851 Stop(); | |
| 24 | 852 |
| 853 std::string tag = std::string(username) + ":" + std::string(password); | |
|
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854 std::string encoded; |
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855 Toolbox::EncodeBase64(encoded, tag); |
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856 registeredUsers_.insert(encoded); |
| 23 | 857 } |
| 858 | |
| 859 void MongooseServer::SetSslEnabled(bool enabled) | |
| 860 { | |
| 861 Stop(); | |
| 862 | |
| 59 | 863 #if ORTHANC_SSL_ENABLED == 0 |
| 23 | 864 if (enabled) |
| 865 { | |
| 59 | 866 throw OrthancException("Orthanc has been built without SSL support"); |
| 23 | 867 } |
| 868 else | |
| 869 { | |
| 870 ssl_ = false; | |
| 871 } | |
| 872 #else | |
| 873 ssl_ = enabled; | |
| 874 #endif | |
| 875 } | |
| 876 | |
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877 void MongooseServer::SetAuthenticationEnabled(bool enabled) |
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878 { |
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879 Stop(); |
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880 authentication_ = enabled; |
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881 } |
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882 |
| 23 | 883 void MongooseServer::SetSslCertificate(const char* path) |
| 884 { | |
| 885 Stop(); | |
| 886 certificate_ = path; | |
| 887 } | |
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888 |
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889 void MongooseServer::SetRemoteAccessAllowed(bool allowed) |
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890 { |
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891 Stop(); |
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892 remoteAllowed_ = allowed; |
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893 } |
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894 |
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895 void MongooseServer::SetIncomingHttpRequestFilter(IIncomingHttpRequestFilter& filter) |
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896 { |
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897 Stop(); |
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898 filter_ = &filter; |
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899 } |
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900 |
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901 bool MongooseServer::IsValidBasicHttpAuthentication(const std::string& basic) const |
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902 { |
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903 return registeredUsers_.find(basic) != registeredUsers_.end(); |
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904 } |
| 0 | 905 } |